Asked by ann
find an equation of the line passing through the pair of points. write the equation in Ax+By=C (-9,7), (-10,-4)
Answers
Answered by
Kuai
Ax+By=C, (-9,7), (-10,-4)
m = (-4-7)/(-10-(-9))
m = 11
y -y1 = m (x -x1)
y -7 = 11(x -(-9)
y -7 = 11x +99
y -7 + 7 = 11x +99+7
y = 11x + 106
-11x + y = 106
m = (-4-7)/(-10-(-9))
m = 11
y -y1 = m (x -x1)
y -7 = 11(x -(-9)
y -7 = 11x +99
y -7 + 7 = 11x +99+7
y = 11x + 106
-11x + y = 106
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